CJCP     2008 10 (1):  85-86    ISSN: 1008-8830  CN: 43-1301/R Extraskeletal Ewing's sarcoma: a report of 2 cases LI Yong, HOU Xiang-Yu, WANG Wei-Lin, ZHAO Qi Department of Pediatric Surgery, Shengjing Hospital, China Medical University, Shenyang 110004, China Received: null  Revised: null  Online: null Supporting info